Javascript Math round()

Introduction

The Math.round() function returns the value of a number rounded to the nearest integer. 

Math.round(x) // x is a number.

let a = Math.round( 20.49); //  20
console.log(a);/* www .  j  a va 2s.  c  o m*/
a = Math.round( 20.5 ); //  21
console.log(a);
a = Math.round( 42   ); //  42
console.log(a);
a = Math.round(-20.5 ); // -20
console.log(a);
a = Math.round(-20.51); // -21
console.log(a);
console.log(Math.round(25.9)); // 26 
console.log(Math.round(25.5)); // 26 
console.log(Math.round(25.1)); // 25



PreviousNext

Related